For some time the discussion went with no one saying word. Alice finally broke.
Silence.
A. a; the
B. the;a
C. a; 不填
D. the; 不填
网友回答
(答案→)A. a; the
B. the;a
C. a; 不填
D. the; 不填
解析：考查冠词用法.句意:这个讨论中又一会儿没有一个人说句话.爱丽丝最后打破了沉默.前文word为泛指任何一句话,故用不定冠词.后文特指当时的沉默,故用定冠词,选A.